Oil damper



FIG. 1 is a top plan view of an oil damper showing our new design;

FIG. 2 is a front view thereof, the rear view being symmetrical to the front view;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a cross sectional view taken along line 6—6 in FIG. 1. 

The ornamental design for an oil damper, as shown and described. 